Home / 9,030.64-13,545.04-3,186.88

Finding the Fourth Proportional to 9,030.64, 13,545.04 and 3,186.88

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Solution

The fourth proportional to 9,030.64, 13,545.04 and 3,186.88 is: 4,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.64 : 13,545.04 = 3,186.88 : x
  2. Step 2: Convert to fraction form
    9,030.64/13,545.04 = 3,186.88/x
  3. Step 3: Cross multiply
    9,030.64x = 13,545.04 × 3,186.88
  4. Step 4: Simplify right side
    9,030.64x = 43,166,417.08
  5. Step 5: Solve for x
    x = 43,166,417.08/9,030.64
  6. Step 6: Final answer
    x = 4,780.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.